loading...| Preferred Name |
trigone of urinary bladder |
| Synonyms |
trigonum vesicae urinary bladder trigone deep trigone dorsal bladder neck vesical trigone musculus trigoni vesicae profundus Lieutaud's trigone trigone of bladder bladder trigone trigonum vesicae urinariae |
| Definitions |
The smooth triangular region of the wall of the urinary bladder formed by the two ureteral orifices and the internal urethral orifice; it is an area in which the muscle fibers are closely adherent to the mucosa. |
| ID |
http://purl.obolibrary.org/obo/UBERON_0001257 |
| contributes to morphology of | |
| database_cross_reference |
UMLS:C0447586 galen:TrigoneOfUrinaryBladder SCTID:272663002 NCIT:C12331 EMAPA:35174 Wikipedia:Trigone_of_urinary_bladder FMA:15910 MA:0002492 |
| definition |
The smooth triangular region of the wall of the urinary bladder formed by the two ureteral orifices and the internal urethral orifice; it is an area in which the muscle fibers are closely adherent to the mucosa. |
| depicted by |
Illu:bladder.jpg |
| has_exact_synonym |
trigonum vesicae urinary bladder trigone deep trigone vesical trigone musculus trigoni vesicae profundus Lieutaud's trigone trigone of bladder bladder trigone |
| has_obo_namespace |
uberon |
| has_related_synonym |
dorsal bladder neck trigonum vesicae urinariae |
| id |
UBERON:0001257 |
| in_subset | |
| label |
trigone of urinary bladder |
| notation |
UBERON:0001257 |
| part_of | |
| prefLabel |
trigone of urinary bladder |
| treeView | |
| UBPROP_0000009 |
The area is very sensitive to expansion and once stretched to a certain degree, the urinary bladder signals the brain of its need to empty. The signals become stronger as the bladder continues to fill. |
| UBPROP_0000011 |
Embryologically, the trigone of the bladder is derived from the caudal end of mesonephric ducts, which is of mesodermal origin (the rest of the bladder is endodermal). In the female the mesonephric ducts regresses, causing the trigone to be less prominent, but still present |
| subClassOf |